body,
html,
div {
    margin: 0;
    padding: 0;
}

body {
    min-width: 1280px;
}


/* 顶部 */

header {
    width: 95%;
    margin: 0 auto;
    padding: 10px;
    overflow: auto;
}

.top_left {
    float: left;
}

.top_left span {
    font-weight: bold;
    position: relative;
    font-size: 25px;
    top: -4px;
}

.top_right {
    float: right;
}

.top_right a {
    font-weight: normal;
    text-decoration: none;
    display: inline-block;
    width: 4em;
    height: 1.5em;
    padding: 5px;
    text-align: center;
}

.top_right a:link {
    color: gray;
}

.top_right a:visited {
    color: gray;
}

.top_right a:hover,
.top_right a:first-child {
    color: red;
    border-bottom: 3px solid red;
}

.top_right a:active {
    color: yellow;
}

.top_right a:last-child {
    color: red;
    background: url(../images/task7/header-user.png) no-repeat 5px 5px;
}


/* 开始体验 */

.start {
    background: url(../images/task7/slogan-bg.png) no-repeat;
    background-size: cover;
    height: 690px;
    padding: 200px 0 0 120px;
}

.start h1 {
    font-family: "黑体";
    font-size: 60px;
    color: white;
}

.start p {
    font-size: 30px;
    color: white;
}

.start input {
    color: white;
    background-color: #e74f4d;
    font-size: 40px;
    border: none;
    padding: 15px 50px;
    margin-top: 30px;
}


/* 功能介绍 */

.feature_tips {
    height: 200px;
}

.feature_tips div {
    width: 25%;
    height: 50px;
    float: left;
    padding-top: 150px;
    position: relative;
}

.feature_tips div:nth-of-type(1) {
    background: url(../images/task7/advancement-1.png) no-repeat;
    background-position: center 50px;
}

.feature_tips div:nth-of-type(2) {
    background: url(../images/task7/advancement-2.png) no-repeat;
    background-position: center 50px;
}

.feature_tips div:nth-of-type(3) {
    background: url(../images/task7/advancement-3.png) no-repeat;
    background-position: center 50px;
}

.feature_tips div:nth-of-type(4) {
    background: url(../images/task7/advancement-4.png) no-repeat;
    background-position: center 50px;
}

.feature_tips div p {
    width: 200px;
    position: absolute;
    left: 50%;
    bottom: 20%;
    transform: translate(-50%, 50%);
    color: #aba6a5;
}


/* 关于 */

.about {
    background-color: rgb(237, 237, 237);
    height: 300px;
    text-align: center;
}

.about img {
    margin-top: 40px;
    margin-bottom: 30px;
}

.about p {
    font-family: "微软雅黑";
    font-size: 30px;
    color: rgb(160, 160, 160);
}

.city {
    height: 290px;
    padding-top: 50px;
    background: url(../images/task7/search-bg.jpg) no-repeat;
    background-size: cover;
    font-family: "微软雅黑";
    color: #ffffff;
    text-align: center;
    line-height: 150%;
}

.city form {
    margin-top: 40px;
}

.city select,
.city input {
    width: 240px;
    height: 36px;
    margin-right: 25px;
    border: none;
}

.city select {
    border: 1px solid #fff;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    background: #fff url(../images/task7/select-bg.png) no-repeat scroll right 10px center;
    padding: 0 20px 0 15px;
    color: #aba6a5;
}

.city input {
    background-color: #bf4f49;
}

.activity {
    height: 390px;
    padding: 100px;
    background-color: rgb(247, 247, 247);
}

.activity div {
    float: left;
    width: 25%;
    text-align: center;
}

.activity div * {
    position: relative;
}

.new_world {
    overflow: auto;
}

.new_world .left {
    color: white;
    text-align: center;
    float: left;
    width: 800px;
    height: 400px;
    padding-top: 100px;
    background-image: url(../images/task7/slide.jpg);
}

.new_world .right {
    margin-left: 800px;
    padding: 100px 10px 0 10px;
    text-align: center;
}

.new_world .right span {
    color: red;
}

.new_world .right div {
    text-align: left;
    color: gray;
    line-height: 150%;
    margin: 30px 60px;
}

.new_world .right input[type="button"] {
    width: 180px;
    height: 40px;
    margin-bottom: 40px;
    border: 1px solid rgb(232, 80, 80);
    background-color: white;
    color: rgb(232, 80, 80);
}

.more {
    display: table;
    height: 500px;
    width: 100%;
}

.more div {
    width: 33%;
    height: 500px;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
    line-height: 150%;
    font-size: 25px;
}

.more span {
    border-bottom: 3px solid white;
    position: relative;
    top: -30px;
}

.more .middle span {
    border-bottom: 3px solid gray;
}

.more .left input {
    border: 2px solid white;
    width: 160px;
    height: 40px;
    color: white;
    background-color: rgb(232, 80, 79);
}

.more .middle input {
    border: 2px solid rgb(232, 80, 79);
    width: 160px;
    height: 40px;
    color: rgb(232, 80, 79);
    background-color: white;
}

.more .left {
    background-color: rgb(232, 80, 79);
    color: white;
}

.more .middle {
    background-color: white;
    color: black;
}

.more .right {
    background: url(../images/task7/model2.png) no-repeat;
}

.last .top,
.last .bottom {
    padding: 60px 0 30px 0;
    text-align: center;
}

.last .top h2,
.last .bottom h3 {
    color: rgb(104, 104, 104);
}

.last .top p,
.last .bottom p {
    color: rgb(214, 214, 214);
}

.last .left {
    float: left;
    width: 500px;
    padding: 30px;
}

.last .right {
    margin-left: 540px;
    padding: 30px;
}

.last .right form,
.last table {
    text-align: center;
}

.last table {
    width: 100%;
}

.last table td {
    text-align: center;
}

.last .right input {
    width: 90%;
    height: 40px;
    margin: 10px;
    background-color: rgb(237, 237, 239);
    border: none;
}

.last .right textarea {
    width: 95%;
    height: 120px;
    background-color: rgb(237, 237, 239);
    border: none;
}

.last input[type="button"] {
    width: 95%;
}

footer {
    background-color: #33363f;
    padding: 50px 0 0 0;
    text-align: center;
    color: white;
}

footer input[type="email"] {
    width: 400px;
    height: 35px;
    border: none;
}

footer input[type="submit"] {
    width: 80px;
    height: 35px;
    border: none;
    background-color: rgb(113, 113, 121);
}

footer .bottom {
    background-color: rgb(48, 48, 48);
    height: 80px;
    line-height: 80px;
    margin-top: 80px;
}

footer .bottom span,
footer .bottom a {
    color: white;
    font-weight: normal;
    text-decoration: none;
    margin: 0 90px;
}

footer .bottom span {
    float: left;
}

footer .bottom a {
    float: right;
}
